Combination lock



FIG. 1 is a front elevational view of a combination lock showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a left side elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view;

FIG. 7 is a perspective view of the combination lock; and,

FIG. 8 is a perspective view of the combination lock having a fastening cable secured therewith.

The broken line disclosure of the fastening cable is shown for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for combination lock, as shown and described. 